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OpenAI Releases ChatGPT AI Agent Skills

Greg Isenberg · 35K views · 2025-12-22 · 18:48

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Today I break down a big news item I think is flying under the radar: OpenAI quietly launched Skills for Codex, and I explain what that means (and how it differs from sub-agents and MCPs). I then share a fast-moving trend I’m watching and why it’s a strong wedge for a simple app. After that, I recommend the to-do app I’ve used for 14 years and give away a startup idea. I close with a practical 6-step framework for going from idea → viral validation → mobile app launch in 2026.

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Video by Greg Isenberg, played through YouTube.

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